Births on March 7

Robert Trotter, Scottish actor and photographer (d. 2013)

Robert Trotter (7 March 1930 – 12 August 2013) was a Scottish actor, director, and photographer.

12 Mar

Salt March
Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India
6 Apr

Salt Satyagraha
Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire," beginning the Salt Satyagraha.
7 Jul

Hoover Dam
Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
6 Sep

Hipólito Yrigoyen
Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
24 Oct

Getúlio Vargas
A bloodless coup d'état in Brazil ousts Washington Luís Pereira de Sousa, the last President of the First Republic. Getúlio Vargas is then installed as "provisional president".